AirHint found the following cheapest return flights from London (LHR) to Mexico City (MEX) in March 2026 (see full year).

Return flights

09 Mar - 20 Apr	Lufthansa
05 Mar - 10 Mar	Air France
04 Mar - 18 Mar	KLM
18 Mar - 31 Mar	Virgin Atlantic
19 Mar - 31 Mar	Virgin Atlantic
09 Mar - 19 Mar	Virgin Atlantic
03 Mar - 31 Mar	Virgin Atlantic
11 Mar - 18 Mar	Virgin Atlantic
11 Mar - 19 Mar	Air France
19 Mar - 25 Mar	Air France
12 Mar - 19 Mar	Air France
12 Mar - 30 Apr	Virgin Atlantic
14 Mar - 25 Apr	Lufthansa
01 Mar - 30 Apr	Air Canada
25 Mar - 21 Apr	United
25 Mar - 19 Apr	United
25 Mar - 22 Apr	United
24 Mar - 07 Apr	Virgin Atlantic
31 Mar - 30 Apr	Air France
19 Mar - 05 Apr	Virgin Atlantic

Also check the deals for one-way flights from London to Mexico City in March.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from London to Mexico City in March from $686

Return flights